Benchmarks LVM vs file.raw Setup
Physical disk MX200 Crusial only used be test VM/CT Debian 8 curent version Extra Disk 32GB (QEMU no cache virtio bus) QEMU on LVM dd if=randfile of=/dev/vdb bs=4k 220662+0 records in 220662+0 records out 903831552 bytes (904 MB) copied, 2.58608 s, 349 MB/s dd if=/dev/zero of=/dev/vdb bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 2.51501 s, 427 MB/s LXC on LVM dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 2.33282 s, 460 MB/s dd if=/dev/zero of=/bench/test.raw bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 2.18087 s, 492 MB/s QEMU on file.raw laying on ext4 dd if=randfile of=/dev/vdb bs=4k 220662+0 records in 220662+0 records out 903831552 bytes (904 MB) copied, 2.47066 s, 366 MB/s root@livemig:/home/link# dd if=/dev/zero of=/dev/vdb bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 1.09934 s, 977 MB/s LXC on file.raw laying on ext4 Hard to say it use the host cache root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 0.595112 s, 1.8 GB/s root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 0.966619 s, 1.1 GB/s root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 1.81487 s, 592 MB/s root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 0.958734 s, 1.1 GB/s root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 4.51895 s, 238 MB/s root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 1.69404 s, 634 MB/s root@Bench:~# dd if=randfile of=/bench/test.raw bs=4k 262144+0 records in 262144+0 records out 1073741824 bytes (1.1 GB) copied, 0.958381 s, 1.1 GB/s root@Bench:~# dd if=/dev/zero of=/bench/test.raw bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 0.797751 s, 1.3 GB/s root@Bench:~# dd if=/dev/zero of=/bench/test.raw bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 0.795282 s, 1.4 GB/s root@Bench:~# dd if=/dev/zero of=/bench/test.raw bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 1.05295 s, 1.0 GB/s root@Bench:~# dd if=/dev/zero of=/bench/test.raw bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 5.56381 s, 193 MB/s _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
